package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;


import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息:{}" + setmealDto);
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功");
    }

    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //分页构造器
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> dtoPage = new Page<>();
        //条件构造器
        LambdaQueryWrapper<Setmeal> lqw = new LambdaQueryWrapper<>();
        //添加查询条件 模糊查询
        lqw.like(name != null,Setmeal::getName,name);
        //添加排序条件,根据根据更新时间降序
        lqw.orderByDesc(Setmeal::getUpdateTime);
        setmealService.page(pageInfo,lqw);
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();
        List<SetmealDto> list = records.stream().map((item) ->{
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询对象
            Category category = categoryService.getById(categoryId);
            if (category != null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());
        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }

    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids){
        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }

    @PostMapping("/status/{status}")
    public R<String> status(@RequestParam List<Long> ids,@PathVariable int status){
        LambdaUpdateWrapper<Setmeal> lqw = new LambdaUpdateWrapper();
        lqw.set(Setmeal::getStatus,status);
        lqw.in(Setmeal::getId,ids);
        setmealService.update(lqw);

        for (Long id : ids) {
            Setmeal setmeal = new Setmeal();
            setmeal.setStatus(status);
            setmeal.setId(id);
            setmealService.updateById(setmeal);
        }
        return R.success("提交成功");
    }

    //根据id查询套餐数据
    @GetMapping("/{id}")
    public R<SetmealDto> get(@PathVariable Long id){
        SetmealDto dish = setmealService.getByIdWithDish(id);
        return R.success(dish);
    }

    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto){
        setmealService.updateSetmeal(setmealDto);
        return R.success("修改套餐成功");
    }

    @GetMapping("/list")
    public R<List<Setmeal>> list(Long categoryId){
        log.info("id为:{}",categoryId);
        LambdaQueryWrapper<Setmeal> lqw = new LambdaQueryWrapper<>();
        lqw.eq(categoryId!= null,Setmeal::getCategoryId,categoryId);
        lqw.eq(Setmeal::getStatus,1);
        lqw.orderByDesc(Setmeal::getUpdateTime);
        List<Setmeal> list = setmealService.list(lqw);
        return R.success(list);
    }

}
